Google Data API Client Library

Google Data API Extensions Library

Google Data API YouTube Library

GoogleAnalyticsTracker was created to have a means of tracking specific URL's directly from C#. For example, it enables you to log API calls to Google Analytics.

Google Data API Access Control Library

Google Data API Analytics Library

Google Data API Contacts Library

Increase conversion rates to your web site by lowering the bar to create an account with your site, by allowing customers to use accounts they already have with other sites, such as Google and Yahoo!

Google Data API Calendar Library

Enables web site visitors to log into an ASP.NET web application via popular identity providers, including Google, Yahoo!, Windows Live, Facebook, LinkedIn and Twitter.

Google Data API Spreadsheets Library

Google Data API Documents Library

Google APIs Client Library

C# port of Google's common Java, C++ and Javascript library for parsing, formatting, storing and validating international phone numbers. For usage samples: http://code.google.com/p/libphonenumber/

Google Data API Content For Shopping Library

Google Maps control for ASP.NET

Google Checkout .NET Client Wrapper

Google Data API Apps Library

Wraps Google Maps API as ASP.NET custom control.

GooglePlusOne is a WebMatrix/Razor helper to add Google +1 functionality to a website